Making a decision about whether to invest in an energy-reducing retrofit can be tough. As with any important investment, you want to be certain that the benefits outweigh the costs, and that your ...

Discover how the PEG payback period helps gauge investment potential by estimating the time needed to double stock ...

Switching to solar energy is a major financial commitment and, if you’re like most homeowners, you’ll want to know how long it will take to recoup your investment. This average recovery time, called ...

The Institute for Energy Economics and Financial Analysis has estimated the effect on the payback period of PV systems when adding EVs and storage in Germany and Britain. In both cases, system owners ...